Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6309211 | Port air conveying system for rotary kiln | Neil R. Dock | 2001-10-30 |
| 4373451 | Apparatus and method for feeding pulverized solid fuel to a burner | Kenneth L. Gardner, Edward Gootzait, Donald L. Fisher, JR. | 1983-02-15 |
| 4354825 | Method and apparatus for drying coal | Donald L. Fisher, JR., Thomas B. Kearns | 1982-10-19 |